tda18271-maps.c

trident tm5600的linux驱动

	{ .rfmax = 749000, .val = 0x3b },
	{ .rfmax = 754000, .val = 0x3c },
	{ .rfmax = 759000, .val = 0x3d },
	{ .rfmax = 764000, .val = 0x3e },
	{ .rfmax = 769000, .val = 0x3f },
	{ .rfmax = 774000, .val = 0x40 },
	{ .rfmax = 779000, .val = 0x41 },
	{ .rfmax = 784000, .val = 0x43 },
	{ .rfmax = 789000, .val = 0x46 },
	{ .rfmax = 794000, .val = 0x48 },
	{ .rfmax = 799000, .val = 0x4b },
	{ .rfmax = 804000, .val = 0x4f },
	{ .rfmax = 809000, .val = 0x54 },
	{ .rfmax = 814000, .val = 0x59 },
	{ .rfmax = 819000, .val = 0x5d },
	{ .rfmax = 824000, .val = 0x61 },
	{ .rfmax = 829000, .val = 0x68 },
	{ .rfmax = 834000, .val = 0x6e },
	{ .rfmax = 839000, .val = 0x75 },
	{ .rfmax = 844000, .val = 0x7e },
	{ .rfmax = 849000, .val = 0x82 },
	{ .rfmax = 854000, .val = 0x84 },
	{ .rfmax = 859000, .val = 0x8f },
	{ .rfmax = 865000, .val = 0x9a },
	{ .rfmax =      0, .val = 0x00 }, /* end */
};

/*---------------------------------------------------------------------*/

struct tda18271_thermo_map {
	u8 d;
	u8 r0;
	u8 r1;
};

static struct tda18271_thermo_map tda18271_thermometer[] = {
	{ .d = 0x00, .r0 = 60, .r1 =  92 },
	{ .d = 0x01, .r0 = 62, .r1 =  94 },
	{ .d = 0x02, .r0 = 66, .r1 =  98 },
	{ .d = 0x03, .r0 = 64, .r1 =  96 },
	{ .d = 0x04, .r0 = 74, .r1 = 106 },
	{ .d = 0x05, .r0 = 72, .r1 = 104 },
	{ .d = 0x06, .r0 = 68, .r1 = 100 },
	{ .d = 0x07, .r0 = 70, .r1 = 102 },
	{ .d = 0x08, .r0 = 90, .r1 = 122 },
	{ .d = 0x09, .r0 = 88, .r1 = 120 },
	{ .d = 0x0a, .r0 = 84, .r1 = 116 },
	{ .d = 0x0b, .r0 = 86, .r1 = 118 },
	{ .d = 0x0c, .r0 = 76, .r1 = 108 },
	{ .d = 0x0d, .r0 = 78, .r1 = 110 },
	{ .d = 0x0e, .r0 = 82, .r1 = 114 },
	{ .d = 0x0f, .r0 = 80, .r1 = 112 },
	{ .d = 0x00, .r0 =  0, .r1 =   0 }, /* end */
};

int tda18271_lookup_thermometer(struct dvb_frontend *fe)
{
	struct tda18271_priv *priv = fe->tuner_priv;
	unsigned char *regs = priv->tda18271_regs;
	int val, i = 0;

	while (tda18271_thermometer[i].d < (regs[R_TM] & 0x0f)) {
		if (tda18271_thermometer[i + 1].d == 0)
			break;
		i++;
	}

	if ((regs[R_TM] & 0x20) == 0x20)
		val = tda18271_thermometer[i].r1;
	else
		val = tda18271_thermometer[i].r0;

	tda_map("(%d) tm = %d\n", i, val);

	return val;
}

/*---------------------------------------------------------------------*/

struct tda18271_cid_target_map {
	u32 rfmax;
	u8  target;
	u16 limit;
};

static struct tda18271_cid_target_map tda18271_cid_target[] = {
	{ .rfmax =  46000, .target = 0x04, .limit =  1800 },
	{ .rfmax =  52200, .target = 0x0a, .limit =  1500 },
	{ .rfmax =  79100, .target = 0x01, .limit =  4000 },
	{ .rfmax = 136800, .target = 0x18, .limit =  4000 },
	{ .rfmax = 156700, .target = 0x18, .limit =  4000 },
	{ .rfmax = 156700, .target = 0x18, .limit =  4000 },
	{ .rfmax = 186250, .target = 0x0a, .limit =  4000 },
	{ .rfmax = 230000, .target = 0x0a, .limit =  4000 },
	{ .rfmax = 345000, .target = 0x18, .limit =  4000 },
	{ .rfmax = 426000, .target = 0x0e, .limit =  4000 },
	{ .rfmax = 489500, .target = 0x1e, .limit =  4000 },
	{ .rfmax = 697500, .target = 0x32, .limit =  4000 },
	{ .rfmax = 842000, .target = 0x3a, .limit =  4000 },
	{ .rfmax =      0, .target = 0x00, .limit =     0 }, /* end */
};

int tda18271_lookup_cid_target(struct dvb_frontend *fe,
			       u32 *freq, u8 *cid_target, u16 *count_limit)
{
	int i = 0;

	while ((tda18271_cid_target[i].rfmax * 1000) < *freq) {
		if (tda18271_cid_target[i + 1].rfmax == 0)
			break;
		i++;
	}
	*cid_target  = tda18271_cid_target[i].target;
	*count_limit = tda18271_cid_target[i].limit;

	tda_map("(%d) cid_target = %02x, count_limit = %d\n", i,
		tda18271_cid_target[i].target, tda18271_cid_target[i].limit);

	return 0;
}

/*---------------------------------------------------------------------*/

static struct tda18271_rf_tracking_filter_cal tda18271_rf_band_template[] = {
	{ .rfmax =  47900, .rfband = 0x00,
	  .rf1_def =  46000, .rf2_def =      0, .rf3_def =      0 },
	{ .rfmax =  61100, .rfband = 0x01,
	  .rf1_def =  52200, .rf2_def =      0, .rf3_def =      0 },
	{ .rfmax = 152600, .rfband = 0x02,
	  .rf1_def =  70100, .rf2_def = 136800, .rf3_def =      0 },
	{ .rfmax = 164700, .rfband = 0x03,
	  .rf1_def = 156700, .rf2_def =      0, .rf3_def =      0 },
	{ .rfmax = 203500, .rfband = 0x04,
	  .rf1_def = 186250, .rf2_def =      0, .rf3_def =      0 },
	{ .rfmax = 457800, .rfband = 0x05,
	  .rf1_def = 230000, .rf2_def = 345000, .rf3_def = 426000 },
	{ .rfmax = 865000, .rfband = 0x06,
	  .rf1_def = 489500, .rf2_def = 697500, .rf3_def = 842000 },
	{ .rfmax =      0, .rfband = 0x00,
	  .rf1_def =      0, .rf2_def =      0, .rf3_def =      0 }, /* end */
};

int tda18271_lookup_rf_band(struct dvb_frontend *fe, u32 *freq, u8 *rf_band)
{
	struct tda18271_priv *priv = fe->tuner_priv;
	struct tda18271_rf_tracking_filter_cal *map = priv->rf_cal_state;
	int i = 0;

	while ((map[i].rfmax * 1000) < *freq) {
		if (tda18271_debug & DBG_ADV)
			tda_map("(%d) rfmax = %d < freq = %d, "
				"rf1_def = %d, rf2_def = %d, rf3_def = %d, "
				"rf1 = %d, rf2 = %d, rf3 = %d, "
				"rf_a1 = %d, rf_a2 = %d, "
				"rf_b1 = %d, rf_b2 = %d\n",
				i, map[i].rfmax * 1000, *freq,
				map[i].rf1_def, map[i].rf2_def, map[i].rf3_def,
				map[i].rf1, map[i].rf2, map[i].rf3,
				map[i].rf_a1, map[i].rf_a2,
				map[i].rf_b1, map[i].rf_b2);
		if (map[i].rfmax == 0)
			return -EINVAL;
		i++;
	}
	if (rf_band)
		*rf_band = map[i].rfband;

	tda_map("(%d) rf_band = %02x\n", i, map[i].rfband);

	return i;
}

/*---------------------------------------------------------------------*/

struct tda18271_map_layout {
	struct tda18271_pll_map *main_pll;
	struct tda18271_pll_map *cal_pll;

	struct tda18271_map *rf_cal;
	struct tda18271_map *rf_cal_kmco;
	struct tda18271_map *rf_cal_dc_over_dt;

	struct tda18271_map *bp_filter;
	struct tda18271_map *rf_band;
	struct tda18271_map *gain_taper;
	struct tda18271_map *ir_measure;
};

/*---------------------------------------------------------------------*/

int tda18271_lookup_pll_map(struct dvb_frontend *fe,
			    enum tda18271_map_type map_type,
			    u32 *freq, u8 *post_div, u8 *div)
{
	struct tda18271_priv *priv = fe->tuner_priv;
	struct tda18271_pll_map *map = NULL;
	unsigned int i = 0;
	char *map_name;
	int ret = 0;

	BUG_ON(!priv->maps);

	switch (map_type) {
	case MAIN_PLL:
		map = priv->maps->main_pll;
		map_name = "main_pll";
		break;
	case CAL_PLL:
		map = priv->maps->cal_pll;
		map_name = "cal_pll";
		break;
	default:
		/* we should never get here */
		map_name = "undefined";
		break;
	}

	if (!map) {
		tda_warn("%s map is not set!\n", map_name);
		ret = -EINVAL;
		goto fail;
	}

	while ((map[i].lomax * 1000) < *freq) {
		if (map[i + 1].lomax == 0) {
			tda_map("%s: frequency (%d) out of range\n",
				map_name, *freq);
			ret = -ERANGE;
			break;
		}
		i++;
	}
	*post_div = map[i].pd;
	*div      = map[i].d;

	tda_map("(%d) %s: post div = 0x%02x, div = 0x%02x\n",
		i, map_name, *post_div, *div);
fail:
	return ret;
}

int tda18271_lookup_map(struct dvb_frontend *fe,
			enum tda18271_map_type map_type,
			u32 *freq, u8 *val)
{
	struct tda18271_priv *priv = fe->tuner_priv;
	struct tda18271_map *map = NULL;
	unsigned int i = 0;
	char *map_name;
	int ret = 0;

	BUG_ON(!priv->maps);

	switch (map_type) {
	case BP_FILTER:
		map = priv->maps->bp_filter;
		map_name = "bp_filter";
		break;
	case RF_CAL_KMCO:
		map = priv->maps->rf_cal_kmco;
		map_name = "km";
		break;
	case RF_BAND:
		map = priv->maps->rf_band;
		map_name = "rf_band";
		break;
	case GAIN_TAPER:
		map = priv->maps->gain_taper;
		map_name = "gain_taper";
		break;
	case RF_CAL:
		map = priv->maps->rf_cal;
		map_name = "rf_cal";
		break;
	case IR_MEASURE:
		map = priv->maps->ir_measure;
		map_name = "ir_measure";
		break;
	case RF_CAL_DC_OVER_DT:
		map = priv->maps->rf_cal_dc_over_dt;
		map_name = "rf_cal_dc_over_dt";
		break;
	default:
		/* we should never get here */
		map_name = "undefined";
		break;
	}

	if (!map) {
		tda_warn("%s map is not set!\n", map_name);
		ret = -EINVAL;
		goto fail;
	}

	while ((map[i].rfmax * 1000) < *freq) {
		if (map[i + 1].rfmax == 0) {
			tda_map("%s: frequency (%d) out of range\n",
				map_name, *freq);
			ret = -ERANGE;
			break;
		}
		i++;
	}
	*val = map[i].val;

	tda_map("(%d) %s: 0x%02x\n", i, map_name, *val);
fail:
	return ret;
}

/*---------------------------------------------------------------------*/

static struct tda18271_std_map tda18271c1_std_map = {
	.fm_radio = { .if_freq = 1250, .fm_rfn = 1, .agc_mode = 3, .std = 0,
		      .if_lvl = 0, .rfagc_top = 0x2c, }, /* EP3[4:0] 0x18 */
	.atv_b    = { .if_freq = 6750, .fm_rfn = 0, .agc_mode = 1, .std = 6,
		      .if_lvl = 0, .rfagc_top = 0x2c, }, /* EP3[4:0] 0x0e */
	.atv_dk   = { .if_freq = 7750, .fm_rfn = 0, .agc_mode = 1, .std = 7,
		      .if_lvl = 0, .rfagc_top = 0x2c, }, /* EP3[4:0] 0x0f */
	.atv_gh   = { .if_freq = 7750, .fm_rfn = 0, .agc_mode = 1, .std = 7,
		      .if_lvl = 0, .rfagc_top = 0x2c, }, /* EP3[4:0] 0x0f */
	.atv_i    = { .if_freq = 7750, .fm_rfn = 0, .agc_mode = 1, .std = 7,
		      .if_lvl = 0, .rfagc_top = 0x2c, }, /* EP3[4:0] 0x0f */
	.atv_l    = { .if_freq = 7750, .fm_rfn = 0, .agc_mode = 1, .std = 7,
		      .if_lvl = 0, .rfagc_top = 0x2c, }, /* EP3[4:0] 0x0f */
	.atv_lc   = { .if_freq = 1250, .fm_rfn = 0, .agc_mode = 1, .std = 7,
		      .if_lvl = 0, .rfagc_top = 0x2c, }, /* EP3[4:0] 0x0f */
	.atv_mn   = { .if_freq = 5750, .fm_rfn = 0, .agc_mode = 1, .std = 5,
		      .if_lvl = 0, .rfagc_top = 0x2c, }, /* EP3[4:0] 0x0d */
	.atsc_6   = { .if_freq = 3250, .fm_rfn = 0, .agc_mode = 3, .std = 4,
		      .if_lvl = 1, .rfagc_top = 0x37, }, /* EP3[4:0] 0x1c */
	.dvbt_6   = { .if_freq = 3300, .fm_rfn = 0, .agc_mode = 3, .std = 4,
		      .if_lvl = 1, .rfagc_top = 0x37, }, /* EP3[4:0] 0x1c */
	.dvbt_7   = { .if_freq = 3800, .fm_rfn = 0, .agc_mode = 3, .std = 5,
		      .if_lvl = 1, .rfagc_top = 0x37, }, /* EP3[4:0] 0x1d */
	.dvbt_8   = { .if_freq = 4300, .fm_rfn = 0, .agc_mode = 3, .std = 6,
		      .if_lvl = 1, .rfagc_top = 0x37, }, /* EP3[4:0] 0x1e */
	.qam_6    = { .if_freq = 4000, .fm_rfn = 0, .agc_mode = 3, .std = 5,
		      .if_lvl = 1, .rfagc_top = 0x37, }, /* EP3[4:0] 0x1d */
	.qam_8    = { .if_freq = 5000, .fm_rfn = 0, .agc_mode = 3, .std = 7,
		      .if_lvl = 1, .rfagc_top = 0x37, }, /* EP3[4:0] 0x1f */
};

static struct tda18271_std_map tda18271c2_std_map = {
	.fm_radio = { .if_freq = 1250, .fm_rfn = 1, .agc_mode = 3, .std = 0,
		      .if_lvl = 0, .rfagc_top = 0x2c, }, /* EP3[4:0] 0x18 */
	.atv_b    = { .if_freq = 6000, .fm_rfn = 0, .agc_mode = 1, .std = 5,
		      .if_lvl = 0, .rfagc_top = 0x2c, }, /* EP3[4:0] 0x0d */
	.atv_dk   = { .if_freq = 6900, .fm_rfn = 0, .agc_mode = 1, .std = 6,
		      .if_lvl = 0, .rfagc_top = 0x2c, }, /* EP3[4:0] 0x0e */
	.atv_gh   = { .if_freq = 7100, .fm_rfn = 0, .agc_mode = 1, .std = 6,
		      .if_lvl = 0, .rfagc_top = 0x2c, }, /* EP3[4:0] 0x0e */
	.atv_i    = { .if_freq = 7250, .fm_rfn = 0, .agc_mode = 1, .std = 6,
		      .if_lvl = 0, .rfagc_top = 0x2c, }, /* EP3[4:0] 0x0e */
	.atv_l    = { .if_freq = 6900, .fm_rfn = 0, .agc_mode = 1, .std = 6,
		      .if_lvl = 0, .rfagc_top = 0x2c, }, /* EP3[4:0] 0x0e */
	.atv_lc   = { .if_freq = 1250, .fm_rfn = 0, .agc_mode = 1, .std = 6,
		      .if_lvl = 0, .rfagc_top = 0x2c, }, /* EP3[4:0] 0x0e */
	.atv_mn   = { .if_freq = 5400, .fm_rfn = 0, .agc_mode = 1, .std = 4,
		      .if_lvl = 0, .rfagc_top = 0x2c, }, /* EP3[4:0] 0x0c */
	.atsc_6   = { .if_freq = 3250, .fm_rfn = 0, .agc_mode = 3, .std = 4,
		      .if_lvl = 1, .rfagc_top = 0x37, }, /* EP3[4:0] 0x1c */
	.dvbt_6   = { .if_freq = 3300, .fm_rfn = 0, .agc_mode = 3, .std = 4,
		      .if_lvl = 1, .rfagc_top = 0x37, }, /* EP3[4:0] 0x1c */
	.dvbt_7   = { .if_freq = 3500, .fm_rfn = 0, .agc_mode = 3, .std = 4,
		      .if_lvl = 1, .rfagc_top = 0x37, }, /* EP3[4:0] 0x1c */
	.dvbt_8   = { .if_freq = 4000, .fm_rfn = 0, .agc_mode = 3, .std = 5,
		      .if_lvl = 1, .rfagc_top = 0x37, }, /* EP3[4:0] 0x1d */
	.qam_6    = { .if_freq = 4000, .fm_rfn = 0, .agc_mode = 3, .std = 5,
		      .if_lvl = 1, .rfagc_top = 0x37, }, /* EP3[4:0] 0x1d */
	.qam_8    = { .if_freq = 5000, .fm_rfn = 0, .agc_mode = 3, .std = 7,
		      .if_lvl = 1, .rfagc_top = 0x37, }, /* EP3[4:0] 0x1f */
};

/*---------------------------------------------------------------------*/

static struct tda18271_map_layout tda18271c1_map_layout = {
	.main_pll          = tda18271c1_main_pll,
	.cal_pll           = tda18271c1_cal_pll,

	.rf_cal            = tda18271c1_rf_cal,
	.rf_cal_kmco       = tda18271c1_km,

	.bp_filter         = tda18271_bp_filter,
	.rf_band           = tda18271_rf_band,
	.gain_taper        = tda18271_gain_taper,
	.ir_measure        = tda18271_ir_measure,
};

static struct tda18271_map_layout tda18271c2_map_layout = {
	.main_pll          = tda18271c2_main_pll,
	.cal_pll           = tda18271c2_cal_pll,

	.rf_cal            = tda18271c2_rf_cal,
	.rf_cal_kmco       = tda18271c2_km,

	.rf_cal_dc_over_dt = tda18271_rf_cal_dc_over_dt,

	.bp_filter         = tda18271_bp_filter,
	.rf_band           = tda18271_rf_band,
	.gain_taper        = tda18271_gain_taper,
	.ir_measure        = tda18271_ir_measure,
};

int tda18271_assign_map_layout(struct dvb_frontend *fe)
{
	struct tda18271_priv *priv = fe->tuner_priv;
	int ret = 0;

	switch (priv->id) {
	case TDA18271HDC1:
		priv->maps = &tda18271c1_map_layout;
		memcpy(&priv->std, &tda18271c1_std_map,
		       sizeof(struct tda18271_std_map));
		break;
	case TDA18271HDC2:
		priv->maps = &tda18271c2_map_layout;
		memcpy(&priv->std, &tda18271c2_std_map,
		       sizeof(struct tda18271_std_map));
		break;
	default:
		ret = -EINVAL;
		break;
	}
	memcpy(priv->rf_cal_state, &tda18271_rf_band_template,
	       sizeof(tda18271_rf_band_template));

	return ret;
}

/*
 * Overrides for Emacs so that we follow Linus's tabbing style.
 * ---------------------------------------------------------------------------
 * Local variables:
 * c-basic-offset: 8
 * End:
 */